<nz-radio-group [(ngModel)]="strategy">
    <label nz-radio-button nzValue="transform-no-loop">Transform No Loop</label>
    <label nz-radio-button nzValue="flip">Flip</label>
    <label nz-radio-button nzValue="fade">Fade (built-in)</label>
  </nz-radio-group>
  <nz-carousel [nzEffect]="strategy" [nzAutoPlay]="true" [nzAutoPlaySpeed]="2000">
    @for (index of arr; track index) {
      <div nz-carousel-content>
        <img src="../../../assets/{{index}}.jpg" alt=""> 
      </div>
    }
  </nz-carousel>
  